onpropertychange event is not fired when you change document location

[alhalayqa]

Hello ,

I have attached the onpropertychang e event to my document as :



[CODE=javascript]// the handler function

function propertychangeH andler(){

alert('property change event...');

}

document.onprop ertychange=prop ertychangeHandl er;


// now, when I change the document.locati on as :

document.locati on="http://www.google.com" ;
[/CODE]

the event is not fired, it doesn' t call the handler .
I read the documentation of msdn that this event is applied to document object .


I have IE7 on Window Vista on my machine .


any suggestion ?

thanks ,

[acoder]

If you're trying to detect when the page changes, just use onbeforeunload instead.

[mrhoo]

document.locati on is a read only string, now deprecated in favor of document.URL

You can't change the url of a document with javascript- only the url that is loaded in window.location, which is apparently what IE is doing.

[alhalayqa]

If you're trying to detect when the page changes, just use onbeforeunload instead.

Ok , but do you think I can catch what the url being assinged to document.locati on inside the onbeforeunload handler ?

if you look at my example , document.locati on = "http://www.google.com" .
could I know that my document will be overwritten by http://www.google.com ?

thanks .

[alhalayqa]

document.locati on is a read only string, now deprecated in favor of document.URL

You can't change the url of a document with javascript- only the url that is loaded in window.location, which is apparently what IE is doing.

if I understood you, simply in javascript you can say :
document.locati on = "http://example.com".

this is an assigment, so document.locati on is read/write property !!

in any case, and same for the window.location = "http://www.example.com ".
why the onpropertychang e event is not fired !!

could you please explain more .

thanks .

[mrhoo]

document.locati on is no longer a property of the document.URL, but an alias for the window's location object.

When you write to it, you are not changing the url of the document-
you are changing the window location to the url of another document .

[alhalayqa]

document.locati on is no longer a property of the document.URL, but an alias for the window's location object.

When you write to it, you are not changing the url of the document-
you are changing the window location to the url of another document .

ya, that's clear , thanks very much .

[acoder]

Ok , but do you think I can catch what the url being assinged to document.locati on inside the onbeforeunload handler ?

if you look at my example , document.locati on = "http://www.google.com" .
could I know that my document will be overwritten by http://www.google.com ?

thanks .

That would be window.location .href. I'm not sure if you can, but I doubt it. Why do you need to know what the URL of the next page is?